import { Provider } from '../../classes/Provider';
import { getApplicationCallbackHost } from '../config.main';

const defaultPaths = {
  success: '',
  failure: '/failure',
  logout: '/logout'
};

export function getApplicationCallbackPath(
  provider: Provider,
  type: 'success' | 'failure' | 'logout',
  env = process.env
): string {
  const envVar = `${provider.toUpperCase()}_APPLICATION_${type.toUpperCase()}_CALLBACK_PATH`;
  if (!env[envVar]) return defaultPaths[type];
  const fixedPath: string =
    `${env[envVar]}`.indexOf('/') === 0 ? `${env[envVar]}` : `/${env[envVar]}`;

  return fixedPath;
}

export function getApplicationCallbackURL(
  provider: Provider,
  type: 'success' | 'failure' | 'logout',
  env = process.env
): string {
  return `${getApplicationCallbackHost(env)}${getApplicationCallbackPath(
    provider,
    type,
    env
  )}`;
}